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Finding the Fourth Proportional to 655.02, 982.44 and 168.06

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Solution

The fourth proportional to 655.02, 982.44 and 168.06 is: 252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.02 : 982.44 = 168.06 : x
  2. Step 2: Convert to fraction form
    655.02/982.44 = 168.06/x
  3. Step 3: Cross multiply
    655.02x = 982.44 × 168.06
  4. Step 4: Simplify right side
    655.02x = 165,108.87
  5. Step 5: Solve for x
    x = 165,108.87/655.02
  6. Step 6: Final answer
    x = 252.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.